I'm glad you're back and I hope you can start getting back into the habit of posting as well.
As someone who had to deal with depression, but took a really long time to recover, I wonder if I'm qualified to give any advice at all... But if I had to recommend one thing and one thing only it's this:
Start researching the topic. Make it a side activity or even a hobby if you will. If you can, talk to people who are also depressed right now and offer them some advice from the stuff you've researched.

I hope you'll be able to find new, firmer ground to stand on soon.